[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.03.15"]
[Round "19"]
[White "De Greif, Boris"]
[Black "Pinal, Nelson Borges"]
[Result "1-0"]

1. Nf3 Nf6 2. d4 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. d5 c5 8. Nc3 d6 9. Bf4 Na6 10. Qd2 Nc7 11. e4 Ba6 12. e5 Nh5 13. Bh6 f6 14. g4 Bxh6 15. Qxh6 Ng7 16. Ne4 Nge8 17. Nfg5 fxg5 18. Nxg5 Rf7 19. Nxf7 Kxf7 20. Qxh7+ Ng7 21. e6+ 1-0